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  • Title: Direct C-glycosylation of organotrifluoroborates with glycosyl fluorides and its application to the total synthesis of (+)-varitriol.
    Author: Zeng J, Vedachalam S, Xiang S, Liu XW.
    Journal: Org Lett; 2011 Jan 07; 13(1):42-5. PubMed ID: 21114334.
    Abstract:
    A mild, stereoselective, and quick approach to accessing alkynyl and alkenyl C-glycosides via BF(3)·Et(2)O promoted coupling of organotrifluoroborates and glycosyl fluorides is reported. The application of this method was further demonstrated by the concise and efficient total synthesis of (+)-varitriol in only seven steps.
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